Just talked to a Lieberman adviser who is more optimistic than the insider I talked to Friday who was engaging in pre-game recriminations. This adviser says Lieberman is getting good feedback on the street, and has cut Lamont’s lead by raising doubts about him. He says the speech last night–critical of Bush’s handling of the war, and making it clear that Lieberman doesn’t favor an open-ended commitment, but not an irresponsible, immediate pull-out either–was intended to appeal to “sober voters.” Lieberman thinks he can get Democrats who are not single-issue voters to “come home.” This adviser says they are still in a very tight spot, but that they think things are moving in the right direction. He insists that reports of Lieberman cancelling his get-out-the-vote operation were false, although a decision was made–given where the race was–to focus more resources on persuasion, through TV ads and other means. For what it’s worth…